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  <title>Dynamically adds a new method to a given class</title>

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</div><hr /><div id="function.classkit-method-add" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">classkit_method_add</h1>
  <p class="verinfo">(PECL classkit &gt;= 0.1)</p><p class="refpurpose"><span class="refname">classkit_method_add</span> &mdash; <span class="dc-title">Dynamically adds a new method to a given class</span></p>

 </div>
 <div class="refsect1 description" id="refsect1-function.classkit-method-add-description">
  <h3 class="title">说明</h3>
  <div class="methodsynopsis dc-description">
   <span class="type">bool</span> <span class="methodname"><strong>classkit_method_add</strong></span>
    ( <span class="methodparam"><span class="type">string</span> <code class="parameter">$classname</code></span>
   , <span class="methodparam"><span class="type">string</span> <code class="parameter">$methodname</code></span>
   , <span class="methodparam"><span class="type">string</span> <code class="parameter">$args</code></span>
   , <span class="methodparam"><span class="type">string</span> <code class="parameter">$code</code></span>
   [, <span class="methodparam"><span class="type">int</span> <code class="parameter">$flags</code><span class="initializer"> = CLASSKIT_ACC_PUBLIC</span></span>
  ] )</div>

  <div class="warning"><strong class="warning">Warning</strong><p class="simpara">此函数是<em class="emphasis">实验性</em>的。此函数的表象，包括名称及其相关文档都可能在未来的
PHP 发布版本中未通知就被修改。使用本函数风险自担 。</p></div>
 </div>

 <div class="refsect1 parameters" id="refsect1-function.classkit-method-add-parameters">
  <h3 class="title">参数</h3>
  <p class="para">
   <dl>

    
     <dt>
<em><code class="parameter">classname</code></em></dt>

     <dd>

      <p class="para">
       The class to which this method will be added
      </p>
     </dd>

    
    
     <dt>
<em><code class="parameter">methodname</code></em></dt>

     <dd>

      <p class="para">
       The name of the method to add
      </p>
     </dd>

    
    
     <dt>
<em><code class="parameter">args</code></em></dt>

     <dd>

      <p class="para">
       Comma-delimited list of arguments for the newly-created method
      </p>
     </dd>

    
    
     <dt>
<em><code class="parameter">code</code></em></dt>

     <dd>

      <p class="para">
       The code to be evaluated when <em><code class="parameter">methodname</code></em>
       is called
      </p>
     </dd>

    
    
     <dt>
<em><code class="parameter">flags</code></em></dt>

     <dd>

      <p class="para">
       The type of method to create, can be
       <strong><code>CLASSKIT_ACC_PUBLIC</code></strong>,
       <strong><code>CLASSKIT_ACC_PROTECTED</code></strong> or
       <strong><code>CLASSKIT_ACC_PRIVATE</code></strong>
      </p>
      <blockquote class="note"><p><strong class="note">Note</strong>: 
       <p class="para">
        This parameter is only used as of PHP 5, because, prior to this,
        all methods were public.
       </p>
      </p></blockquote>
     </dd>

    
   </dl>

  </p>
 </div>

 <div class="refsect1 returnvalues" id="refsect1-function.classkit-method-add-returnvalues">
  <h3 class="title">返回值</h3>
  <p class="para">
   成功时返回 <strong><code>TRUE</code></strong>， 或者在失败时返回 <strong><code>FALSE</code></strong>。
  </p>
 </div>

 
 <div class="refsect1 examples" id="refsect1-function.classkit-method-add-examples">
  <h3 class="title">范例</h3>
  <p class="para">
   <div class="example" id="example-4969">
    <p><strong>Example #1 <span class="function"><strong>classkit_method_add()</strong></span> example</strong></p>
    <div class="example-contents">
<div class="phpcode"><code><span style="color: #000000">
<span style="color: #0000BB">&lt;?php<br /></span><span style="color: #007700">class&nbsp;</span><span style="color: #0000BB">Example&nbsp;</span><span style="color: #007700">{<br />&nbsp;&nbsp;&nbsp;&nbsp;function&nbsp;</span><span style="color: #0000BB">foo</span><span style="color: #007700">()&nbsp;{<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;echo&nbsp;</span><span style="color: #DD0000">"foo!\n"</span><span style="color: #007700">;<br />&nbsp;&nbsp;&nbsp;&nbsp;}<br />}<br /><br /></span><span style="color: #FF8000">//&nbsp;create&nbsp;an&nbsp;Example&nbsp;object<br /></span><span style="color: #0000BB">$e&nbsp;</span><span style="color: #007700">=&nbsp;new&nbsp;</span><span style="color: #0000BB">Example</span><span style="color: #007700">();<br /><br /></span><span style="color: #FF8000">//&nbsp;Add&nbsp;a&nbsp;new&nbsp;public&nbsp;method<br /></span><span style="color: #0000BB">classkit_method_add</span><span style="color: #007700">(<br />&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #DD0000">'Example'</span><span style="color: #007700">,<br />&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #DD0000">'add'</span><span style="color: #007700">,<br />&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #DD0000">'$num1,&nbsp;$num2'</span><span style="color: #007700">,<br />&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #DD0000">'return&nbsp;$num1&nbsp;+&nbsp;$num2;'</span><span style="color: #007700">,<br />&nbsp;&nbsp;&nbsp;&nbsp;</span><span style="color: #0000BB">CLASSKIT_ACC_PUBLIC<br /></span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">//&nbsp;add&nbsp;12&nbsp;+&nbsp;4<br /></span><span style="color: #007700">echo&nbsp;</span><span style="color: #0000BB">$e</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">add</span><span style="color: #007700">(</span><span style="color: #0000BB">12</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">4</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">?&gt;</span>
</span>
</code></div>
    </div>

    <div class="example-contents"><p>以上例程会输出：</p></div>
    <div class="example-contents screen">
<div class="cdata"><pre>
16
</pre></div>
    </div>
   </div>
  </p>
 </div>

 <div class="refsect1 seealso" id="refsect1-function.classkit-method-add-seealso">
  <h3 class="title">参见</h3>
  <p class="para">
   <ul class="simplelist">
    <li class="member"><span class="function"><a href="function.classkit-method-copy.html" class="function" rel="rdfs-seeAlso">classkit_method_copy()</a> - Copies a method from class to another</span></li>
    <li class="member"><span class="function"><a href="function.classkit-method-redefine.html" class="function" rel="rdfs-seeAlso">classkit_method_redefine()</a> - Dynamically changes the code of the given method</span></li>
    <li class="member"><span class="function"><a href="function.classkit-method-remove.html" class="function" rel="rdfs-seeAlso">classkit_method_remove()</a> - Dynamically removes the given method</span></li>
    <li class="member"><span class="function"><a href="function.classkit-method-rename.html" class="function" rel="rdfs-seeAlso">classkit_method_rename()</a> - Dynamically changes the name of the given method</span></li>
    <li class="member"><span class="function"><a href="function.create-function.html" class="function" rel="rdfs-seeAlso">create_function()</a> - Create an anonymous (lambda-style) function</span></li>
   </ul>
  </p>
 </div>

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